
PrintLab Model 3503R - #7141
- RA-4, B/W, Duratrans
- 13" Maximum Width
- Dry-To-Dry
- Automatic Replenishment
- Computer-Controlled Operation
- Stand-By Function

PrintLab Model 3503 - #7140
- RA-4, B/W, Duratrans
- 13" Maximum Width
- Dry-To-Dry
- Stand-By Function

Manufactured by JOBO, these intelligently-designed processors are suitable for up to 13"-width RA-4 and black and white prints. As with any roller-transport machine, the racks are the key to even, smooth, trouble-free printing. The design of the PrintLab ensures the paper is gently guided through the racks providing flawless processing.
PrintLabs 3503R and 3504 come pre-programmed for all RC-based B/W graded and variable contrast, and RA-4 papers. The rack design and variable temperature and transport speed controls assure you of high-quality processing.
Extremely consistent
All PrintLabs develop prints evenly and consistently. PrintLabs 3503R and 3504 take this consistency one step further with automatic replenishment. These PrintLabs use five infrared sensors to measure the surface area of the print to be developed, then calculate and pump the correct amount of replenisher chemical to the appropriate bath. (The replenishment chemicals are drawn from collapsible 5-Liter air-tight containers.)
Easy on the environment
In addition to appropriate chemical replenishment, PrintLabs 3503R and 3504 use microprocessor-control to calculate the correct amount of wash water (based on the surface area of paper developed). Model 3503 automatically stops the wash water when the processor goes into standby mode.
Ready when you are
After turning on your processor, you're ready to start developing in minutes. With PrintLab models 3503R and 3504, each bath is independently heated to its specific temperature and controlled by an independent thermostat which allows for individual programming of each chemical bath. (There is one temperature control in models 3503 and 3502.)
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Multiple small prints |
Special Features with PrintLab 3504
PrintLab model 3504 includes two special features to save you money and time.
The first is a built-in water heater for the rinse-water. These means only a cold-water supply is required. The other feature is a cleaning program. When the cleaning program is run the processor will automatically; drain the processing chemicals to bottles stored below, fill with water, wash the processing racks, drain itself, and wait until you're ready to start processing again.
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Specification |
3503R |
3503 |
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Maximum paper width |
13.76" (35cm) |
13.76" (35cm) |
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Number of tanks, Volume |
3 (CD/Bx/W), 5-Liter |
3 (CD/Bx/W), 5-Liter |
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Replenishment |
Automatic |
Manual |
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In-feed sensors |
5 |
1 |
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Processing temperature |
Up to 40º C (±0.1º C) |
Up to 40º C |
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Dryer |
Hot air, adjustable, programmable |
Hot air, adjustable |
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Water consumption |
Dependent on surface area of paper developed |
Automatic shutoff of water when in stand-by mode |
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Built-in rinse-water heater |
No |
No |
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Self cleaning option |
No |
No |
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Inline chemical filtration |
Yes |
Yes |
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Inline heaters |
CD, Bx |
CD, Bx |
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Warmup time, from 20 to 35º C |
~10 Minutes |
~10 Minutes |
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Preprogrammed processes |
RA-4, B/W, Duratrans |
RA-4 |
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Power: 230V |
230V/50 Hz 1800 Watts |
230V/50 Hz 2300 Watts |
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Power: 115V |
115V/60 Hz 1400 Watts |
115V/60 Hz 1600 Watts |
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Weight empty/full |
79 / 123 Lbs |
77 / 121 Lbs |
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Dimensions (LxWxH) |
31x24x17" |
31x24x17" |
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This chart illustrates which of the following accessories are used with which processors |
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Accessory |
3503R |
3503 |
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3-Track Paper Feed |
Included |
Included |
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Wall Mount for 5-Liter Canister |
#7151 |
#7151 |
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5-Liter Canister for Wall Mount |
2x #7164 |
2x #7164 |
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Overflow Canister |
2x #7153 |
2x #7153 |
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Support Stand |
#7156 |
#7156 |
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Sealing Guide for Darkroom Installation |
#7162 |
#7162 |
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Replenishment Container |
2x #7163 |
2x #7163 |
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Processor Clean II |
#4135 |
#4135 |
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Pressure Hose for Rinse Water |
Included |
Included |
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External Water Pump |
Not Used |
Not Used |
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Roll Paper Attachment |
#7165 |
Call |
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Refilling System #7151 Wall Mount Bracket |
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Chemical overflow #7153 Overflow Canister |
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Sealing guide #7162 Sealing Guide |
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Replenishing chemicals #7163 Reusable Replenishment Container |
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Roll paper #7165 Roll Paper Attachment |